Automatic and instantaneous gas lamp extinguisher



(No Model.)

5 Sheets- Sheet 1. J. S. EDGE & P. W. TIOEHURST. I AUTOMATIC ANDINSTANTANEOUS GAS LAMP EXTINGUISHER.

No. 403,654. Patented May 21, 1889.

WITNESSES.

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(No Model.) 5 Sheets-Sheet 2.

J-. EDGE & P. TIOEHURST.

AUTOMATIC A NSTANTAN GAS LAMP EXTINGUISHER.

No. 403.654. Patented May 21, 1889.

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5 Sheets-Sheet 3.

(No Model.)

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'J. s. EDGE & F. W. TIGEHURST. AUTOMATIC AND INSTANTANEOUS GAS LAMPEXTINGUISHER.

No. 403.654, Patented May 21, 1889.

WITNESSES INV TOR (No Model.) 5 Sheets-Sheet 5.

J. S. EDGE & F. W. TIGEHURST. AUTOMATIC AND INSTANTANEOUS GAS LAMPEXTINGUISHER.

No. 403,654. Patented May 21, 1889.

HIIIIIIIIi llllllllllll lllllll-lllllllllllllllllllllllI f UNITED STATESPATENT OFFICE.

JAMES SIHEON EDGE AND FRANCIS \VILLIAM TICEHURST, OF BIRMINGHAM, COUNTYOF XVARW ICK, ENGLAND.

AUTOMATIC AND INSTANTANEOUS GAS-LAMP EXTINGUISHER.

SPECIFICATION forming part of Letters Patent No. 403,654, dated May 21,1889.

Application filed May 16,1888- Serial No. 274,089. (No model.) Patentedin England October 15, 1886, No. 13,197 g in France October 12,1887,lT0.186,369, and in Germany October 27, 1887,110. 13,571.

To all whom it may concern:

Be it known that we, JAMEs SIMEON EDGE, manufacturer, residing atColeshill Street, Birmingham, in the county of Varwick, England, andFRANCIS WILLIAM TIoEHURsT, agent, residing at Edmund Street, Birmingham,in the county of Vfarwick, Englandfhave invented a certain new andusefulAutomatic and Instantaneous Gas-Lamp Extinguisher, (for whichLetters Patent have been granted as follows: Great Britain, datedOctober 15, 1886, No. 13,197; France, dated October 12, 1887, No.186,369, and Germany, dated October 27, 1887, initial No. 13,571 and wedo hereby declare the following to be a full, clear, and exactdescription of the invention,reference being had to the accompanyingdrawings, which form part of this specification.

This invention relates to mechanism or means for cutting off thegas-supply of gaslamps and for the instantaneous and automaticextinguishing of the flame.

The invention consists in the novel c011- struction and combination ofparts hereinafter described and specifically claimed.

Figure 1 represents, partly in elevation and partly in vertical section,the supporting-framing of the lantern of an ordinary street-lampprovided or fitted with automatic time extinguishing mechanismconstructed and arranged according to this invention, and which saidautomatic time extinguishing m echanism is represented at work or inaction and the gas-lamp lighted. Fig. 2 represents a like sectional viewas Fig. 1, but with the time extinguishing mechanism in a position whichit assumes when the lamp is or has been extinguished after the lapse ofa certain chronometric period of time. Fig. 3 represents a plan of theupper side of the said mechanism and with the lantern-supporting framingpartly broken off and the covering-plate partly broken away. Themechanism is inclosed within a metallic case or covering (not shown) toprotect the movements or parts from atmospheric influences and wet. Fig.4 represents an end elevation of the parts of the said timeextinguishing mechanism and with the lantern-framing shown in sectionand upon the dotted lines A B, Fig. 1. This end View tion with some ofthe parts in section of the horological or time mechanism. This view istaken upon the dotted lines E F of the said Fig. 3. Fig. 7 exhibits thetime-wheel and clutch mechanism, the former being shown in elevation,while the latter is shown in vertical section and taken through thegrooves or gripping parts, which ride freely upon the rim of thetime-wheel when the main actuating-lever is depressed for winding. Fig.8 is a perspective View of the preceding figure, which shows moreclearly how the clutcharms engage with the rim and boss, respectively..Fig. 9 shows in front and side elevation the main actuating-lever, whilethe other figures, 10, 11, 12, 13,14, and 15, show the other principalparts of the said extinguishing mechanism.

The same letters of reference indicate corresponding parts in theseveral figures.

a is the upper part or head-supporting framing of the lantern of anordinary street-lamp.

b is the supporting-frame of the time extinguishing mechanism.

0 is a gaspipe passing vertically upward through the middle or hollow ofthe lamppost and with the nipple end 0 disposed within the lantern. Thegas-pipe is broken off at top and middle parts and is provided with anordinary gas plug or cook, d, which is turned by the teeth 01": atoothed quadrant, as hereinafter described, engaging with the teeth of apinion, (1 on the end of the axis of the said plug d.

e-is a time-wheel, consisting of a plain wheel or disk having upon itstwo opposite faces and near its outer edge or peripheryconcentrically-disposed flanges or rims, as best seen in the sectionalviews and in the separate view, Fig. 12. These rims are marked (2 and 6respectively, of which e is the outer and e is the inner, and it is uponthe latter, a that the clutches lock themselves, while the former has anotch or gap, 6 cut 100 or made therethrough, and wherein a tooth orprojection, J, of a quadrant-arm, f engages and falls on the tooth andgap becoming coincident, which takes place on the time-wheel havingperformed its allotted motion or movement equivalent to certainpredetermined chronometric units. The arm f is carried by or is made inone piece with a toothed quadrant, f, so that on the tooth which is heldup to the rim of the time-wheel (by a spring, h) coming opposite thegap, as aforesaid, the said tooth drops therein and makes the toothedquadrant f turn outwardly, as indicated by the arrow. The upwardmovement thus created in the quadrant-arm-rotates the plug (Z and cutsoff the gas by the teeth of the said quadrant engaging with the teeth ofthe plugwheel. The spring for giving the necessary motion is marked h,while the joint upon which the quadrant turns is marked f In front ofthe time-wheel and threaded upon the time-wheel axis 6 (which is afixture with the time-wheel) is a cam-plate, g, whose sole function isto remove the tooth f from the gap 6 in the time-wheel on the winding upof the clock mechanism and the setting or putting back of thetime-wheel. This camplate is a fiat plate with an incline or an inclinedplane, g upon its front edge, and a bushed middle, by means of whichlatter the main operating-lever i is theretoconnected. The lower part ofthe inclined or cut-away part 9 as aforesaid, comes in front of orpartially covers up the gap when the apparatus is in action, asrepresented in Fig. 1; but on the tooth coming coincident with the gapthe cam-plate is moved back to an extent equal to the length of the slot9 wherethrough a stud, e, on the face of the time-wheel e passes. InFig. 2 the incline is shown in position ready for pressing the tooth outof the gap by the downward movement of the lever 2', and which said viewalso shows the stud e at the other end of the slot. This change ofposition of the cam-plate compresses the spring j, which is secured tothe cam-plate and to the time-wheel, respectively. Thus the passing ofthe tooth into the gap on the latter coming in front of the former givesa slight back movement to the cam -plate and actuating-lever; but on theforward movement of the actuatinglever 'i the time-wheel, camplate,andwinding-up parts connected with the axis move together, so that thecam-plate can in one direction take an independent movement of thetime-wheelthat is, during the period the tooth is being removed from thenotch or gap on the descent of the main operating-lever; but after thetooths removal by the angular movement made by the incline, asaforesaid, then the cam-plate and time-wheel inove together by the pinon the face of the one comingagainst-one end of the short slot in theother.

k is a time-plate pierced with graduated holes ki'and having inscribedupon the other justed.

side a graduated scale marked off with points indicative or equivalentsof the holes.

Zis a stop, in the form of a peg, which is placed in either one or otherof the holes, and whose position determines the extent of motion whichshall be allotted to the time-wheel and main lever.

Figure 1, shows a modified form of timeplate, dispensing with the use ofholes and a peg, and employing in their stead a plate slotted about itsmiddle, and wherein an adjustable stop (marked Z) works. ply of aclamping device, which on being screwed up is secured between the backand front faces of the plate, as best seen in Fig. 1 To adjust the sameto any required position with respect to the graduated scale, sim-' plyrelax the grip by turning the nut, when the stops position can bechanged or read- The time-wheel axis is secured at its inner end to anevolved or involute spring,

It consists simm, which is the motive power employed for working theapparatus.

Mounted loosely upon the time-wheel axis 6 is a combined circular boss,91, and a toothed wheel, 0, the former having cut withinits periphery oredge opposite angular cut=away parts fin and said boss and toothed wheelare connected rigidly together by a neck, 0 The sides n are directed inthe direction of the diameter of the time-wheel and boss, while theother sides,-'n are inclined, and it is the flange upon which they workby coiled springs q, distended in opposite directions between clutchesand carrying arms r, which latter proceed from the outer edge of theboss n. Thus when the main actuating-lever is depressed the clockmechanism, as hereinafter described, is required to be disconnected fora time from the driving-power and the means which wind up the drivingpower.

This is done by'the springs pulling the straight faces of the clutchesand their radial grooves,

which are struck from them, parallel to their abutment shoulders andrim, which thereby allows the said rim to move free of thegripping-edges and the time-wheel to move independent of the clutchmechanism. v

The clock mechanism, as best seen in Fig.- 6, consists, essentially, ofa toothed wheel, 0, and neck 0 which connects it with the clutchboss.carried by a toothed wheel, s, which gears with a pinion, t on the axisof a toothed wheel, t, which latter gears with a pinion, 21. of a wheel,a. This train of wheels is regu- This wheel gears with the pinion s 7lated and controlled in its giving-out motion' ratus are as follows: Ifthe light of a lamp re- .quires to be extinguished at, say, five minutespast five oclock in the morning and the time of lighting is seven oclockin the evening, then the time mechanism will be set to extinguish 111ten hours and five minutes by placing the peg or stop in a position thatshallbe equivalent to this time. This having been done, the apparatus isleft in its normal: and on the lamp- 1 condition, as in Fig. 2, lighterproceeding to light the lamp at seven ocloek at night he places the hookof hisstafli' througlithe usual hole in the bottom of the lantern, andthen depresses or pulls down the main lever 't', which turns the inclineg of the cam-plate g against the tooth f which removes it from the notche cutting the rim of the time-wheel e, which thereby depresses the arm f'and partially turns the quadrant f, and so rotates the plug (Z, and soturns on the gas, which is lighted in the ordinary way. The removal ofthe tooth from the time-wheel notch (after which it rests on the ledgeof the flange) brings the reverse side of the slot of the slightlyeccentrically hung camplate 9 up to the time-wheel stud or pin 6, asrepresented in Fig. 1, so that the lever, cam-plate, time-wheel, andtime-wheel axis move together and wind up the spring m, during whichtime the position of the clutch mechanism is neutral, which has theeffect of breaking connection with the train of wheels. The lever havingbeen depressed up to the stop, the staff is removed and the apparatusleft to work out its time for extinguishing, and with the gap e of thetimeplate considerably removed from before the tooth f which representsthe space through which the time-wheel is required to travel beforeextinguishing. The cam-plate on the lever, being liberated, returns toits former position, as represented in Fig. 2.

The apparatus now being set going, the action is as follows: The reverserotation of the time-wheel and its axis by the uncoiling of the springbrings the straight shoulders 01 of the boss n against the inner ends ofthe clutches p, when the angular movement thus made causes theconcentric channels or grooves to grip the inside and outside parts ofthe inside flange of the time-wheel, thereby. locking the saidtime-wheel and re-establishing' its connection with, the train of wheelsand other parts connected therewith for giving the necessary slow rotarymotion to the parts, and as five oclock in the morning approaches thegap of the 13llIl=W11661 has been brought very near to the tooth, and ata later time, on both of them becoming coincident, the tooth falls intothe notch, and so causes the toothed quadrant to be moved accordinglyand the gas cut off by the rotation of the plug in a reverse directionto that when winding up.

Having thus described our invention, we

claim as new and desire to secure by Letters Patent 1. In an automaticinstantaneous gas-lamp extinguisher, the combination, with a gaslamp andits cognate partssuch as the supply-pipe burner and plug-of automaticmechanism for turning said plug, comprising a spring-actuated leverconnected to the plug, a spring-actuated motor, a lever connected to thewinding-arbor of said motor, a graduated time-plate arranged in thevicinity of said-lever, and a movable stop 011 said time-plate adaptedto limit the movement of said lever, a revolving detent, and atime-wheel carried by the motor mechanism and adapted to release thespring-actuated lever at a point dependent on the amount of movement ofthe winding-lever, substantially as described.

2. In an automatic gas-lamp extinguisher, the combination, with agas-supply pipe and a cock thereon, of a lever connected thereto andprovided with a tooth, f a spring connected to said lover, aspring-actuated motor, a lever connected to the winding-arborthereof, anotched time-wheel carried by the motor and adapted to receive saidtooth f a cam connected to the winding-arbor and adapted to impingeagainst said tooth, whereby when the lever is depressed the tooth f willbe disengaged from the time wheel, the motorspring wound, and thegas-cock opened, substantially as described.

In an automatic gas-lamp extinguisher, the combination of aspring-actuated motor, a notched wheel carried on a shaft of the same, aspring-actuated lever connected to a gas-cock and having a detent toengage with said wheel, and a winding-lever connected to thewinding-arborof the motor and to the said notched Wheel, whereby thedepression of said lever will wind the motor and turn the notched wheelin the same direction as the windingzrbor, substantially as described.

4:. In an automatic and instantaneous gaslamp extinguisher, thecombination, with antomatic extinguishing mechanism comprising aspring-actuated time-motor, of a graduated time-plate, 7D, with holes 76and graduations, a movable peg, Z, and a winding-lever, t, connected tothe winding-arbor of said motor, substantially as and for the purpose asset forth.

5. In an automatic and instantaneous gaslamp extinguisher, thecombination, with a IIO gas-lamp and chronometric or time cutting-0d I 25 mechanism comprising a spring-actuated motor, a lever connected to thewinding-arbor thereof, a time-wheel connected to said motor andhavinganotched rim, and a cam upon said arbor, of a toothed quadrant, f,with arm and tooth f f normally engaging with the said tooth restingwithin the notch of the time-wheel, and with the teeth engaging-with apinion on the plug-axis and adapted to rotate the said plugeither forturning on orfor cutting off, substantially as set forth.

I 6. In an automatic gas-extinguishing apparatus, the combination, withthe gas-sup ply pipe and acock thereon, of a spring-actu 'ated leverwhich engages with said cock and is provided with a detent, aspring-actuated motor carrying a time-wheel, 6, with notched; flange 6 alever, 2', attached to the windingarbor of said motor, a slotted camcarried. upon said arbor and adapted'to engage with said detent, and anadjustable clutch or grip. mechanism interposed between said time-iwheel and said motor, all constructed and ar-j ranged substantially asdescribed.

7. The combination, with a gaslamp, gas. burner, or gas-pipe, c, ofmechanism consist ing of a time-plate, main lever, cam-plate g, i

toothed quadrant with arm and tooth, geared 'gas plug, time wheel withnotch and face rims, clutches and boss carried by great Wheel,transmitting, reduction, and regulating gear, and motive power, whichare con- Witnesses:

HENRY SKERRETT, MILES E. HUGHES,

Both of Birmingham.

